Percona XtraBackup is an open source and non-blocking backup solution for InnoDB and XtraDB data. It works with MySQL 5.0 and 5.1 databases. XtraBackup is 100% open-source and free.
Percona Server is drop-in replacement for the popular MySQL, with full backward compatibility.Percona Server provides diagnostic tools useful to DBAs, and more tunability of server behavior. ...
Percona-XtraDB is a storage engine for MySQL based on the InnoDB storage engine, designed to better scale on modern hardware, and including a variety of other features useful in high performance environments. ...
